B&C Speaker 12TBX100

Subwoofer

12″ / 320 mm
Nominal diameter
44 Hz
Resonance
0.23
Q factor
93 dB
Sensitivity
± 9 mm
Linear excursion
2000 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
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Specifications

Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.2
dB
Frequency response
45 - 1500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
44.0
Hz
Mechanical quality factor
QMS
6.23
Electrical quality factor
QES
0.24
Total quality factor
QTS
0.23

Large signal parameters

Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
478
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
1.74
mH
VC Diameter
100
mm
Winding height
HVC
25
mm
Winding material
Copper
Former material
Glass Fibre

Magnet

Flux density
B
1.1
T
Force factor
Bl
22.91
N/A
Motor constant
Bl/√RE
12.1
N/√W
Air gap height
HAG
12
mm
Material
Ferrite

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
125
g
Moving mass (without air load)
MMD
116.2
g
Material
Waterproof Both Sides

Suspensions

Stiffness
KMS
9.71
N/mm
Compliance
CMS
103
µm/N
Equivalent volume to the compliance
VAS
41.1
L
Mechanical resistance
RMS
5.55
N·s/m
Spider material
Silicone

Dimensions

Nominal diameter
12
320
mm
Overall diameter
319
mm
Baffle cutout diameter
281
mm
Overall depth
135
mm
Flange thickness
13
mm
Mounting depth
122
mm
Volume occupied by the driver
4.2
L
Net weight
11.8
kg
B&C Speaker 12TBX100 Impedance
B&C Speaker 12TBX100 SPL
B&C Speaker 12TBX100 Dimensions

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